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Characterization of string cavitation in large-scale Diesel nozzles with tapered holes

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Figure

FIG. 1. �Color online� Visualization of flow separation points present intypical Diesel automotive injector nozzles
FIG. 4. Measured and predicted nozzle discharge coefficient as function ofneedle lift.
TABLE I. Operating conditions tested for the large-scale nozzles.
FIG. 5. Sample representative images of cavitation structures formed in theinjection hole of the VCO nozzle with grooved needle at three differentneedle lifts, �a� cylindrical and �b� tapered hole, at the maximum Reynoldsand CNs investigated.
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